Depending on usage, perhaps you should coin a new word that fits with what you are writing. Sometimes the best usage of words is to create new words that others will understand even if they aren't part of the common vernacular.

Or ‘James’. Or just about anything else they might happen to be or be called. That doesn’t answer the question, though: philosopher does not in any way mean ‘one who coins highly quotable phrases’.
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Janus Bahs JacquetMay 5 at 12:30